Express Systems will have an EARLY CLOSING Thursday, June 18th, 2026 and will be CLOSED June 19th, 2026 in observance of Juneteenth. We will resume regular business hours Monday, June 22nd, 2026 at 9:00am EST.
Moxa's serial media converters allow devices with different serial interfaces to communicate effortlessly. Serial-to-serial converters help convert between RS-232 and RS-422/485, and serial-to-fiber converters convert all three of these interfaces to optical fiber.
Moxa's serial-to-serial media converters can convert between RS-232, RS-422, and RS-485, which avoids compatibility issues that are often encountered when communicating between different serial interfaces.
Moxa's industrial-grade serial-to-fiber optic converters can convert RS-232/422/485 to optical fiber, which provides users with an easy and reliable way to communicate with their serial devices.
Moxa's fieldbus-to-fiber converters convert fieldbus to fiber with ease, and also feature easy configuration and effortless troubleshooting. Our industrial-grade ICF converters can convert PROFIBUS to fiber, even in harsh environments.